SEA

$119 Find Cheap Flights from Houston to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to Seattle departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Seattle.
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Everything you should know

Cheapest round-trip
$229
Overall average: $412
Multiple Airlines
Wed 3/25Sat 3/28
IAH - SEA • 1 stop
Cheapest non-stop
$237
Typical prices: $338-$589
United Airlines
Tue 3/3Tue 3/10
IAH - SEA • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Alaska's Priority Boarding enhances comfort on this route.
Check in early with Alaska to avoid the last row.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Top airlines
Frontier
Cheapest • from $230 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
IAH
-
SEA
Cheapest • 27% average savings
IAH
-
SEA
Most popular
Insights
Insights
Insights
Insights
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
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Flight Deals

Cheap Flights from Houston to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Houston to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Houston to Seattle

Wed, Mar 25 - Sat, Mar 28
Multiple Airlines Logo
10:27 am - 9:03 pm
IAH
-
SEA
12h 36m
1 stop
Multiple Airlines Logo
11:01 pm - 5:21 am
SEA
-
IAH
4h 20mnonstop
$229Multiple Airlines
Fri, Apr 3 - Thu, Apr 9
Frontier Logo
10:28 pm - 11:37 am
IAH
-
SEA
15h 09m
1 stop
Frontier Logo
12:42 pm - 12:48 am
SEA
-
IAH
10h 06m
1 stop
$230Frontier
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:58 am - 2:53 pm
IAH
-
SEA
8h 55m
1 stop
Multiple Airlines Logo
5:39 pm - 11:54 pm
SEA
-
IAH
4h 15mnonstop
$231Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
9:18 pm - 8:08 pm
IAH
-
SEA
24h 50m
1 stop
Multiple Airlines Logo
12:00 pm - 12:33 am
SEA
-
IAH
10h 33m
1 stop
$232Multiple Airlines
Fri, Feb 27 - Sat, Feb 28
Multiple Airlines Logo
6:53 pm - 9:52 pm
IAH
-
SEA
4h 59mnonstop
Multiple Airlines Logo
1:16 pm - 12:33 am
SEA
-
IAH
9h 17m
1 stop
$233Multiple Airlines
Wed, Feb 25 - Sat, Mar 7
United Airlines Logo
7:57 pm - 11:00 pm
IAH
-
SEA
5h 03mnonstop
United Airlines Logo
2:15 pm - 8:40 pm
SEA
-
IAH
4h 25mnonstop
$237United Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
8:21 pm - 12:44 am
HOU
-
SEA
6h 23m
1 stop
American Airlines Logo
6:00 am - 3:48 pm
SEA
-
HOU
7h 48m
1 stop
$267American Airlines
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
6:10 pm - 12:10 am
HOU
-
SEA
8h 00m
1 stop
Southwest Logo
6:50 am - 5:50 pm
SEA
-
HOU
9h 00m
2 stops
$272Southwest
Fri, Feb 27 - Sat, Feb 28
American Airlines Logo
8:20 pm - 12:55 am
HOU
-
SEA
6h 35m
1 stop
American Airlines Logo
11:57 pm - 9:43 am
SEA
-
HOU
7h 46m
1 stop
$277American Airlines
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
3:10 pm - 10:30 pm
HOU
-
SEA
9h 20m
2 stops
Southwest Logo
11:35 am - 10:20 pm
SEA
-
HOU
8h 45m
2 stops
$287Southwest
Booking Insights

KAYAK's insights & trends for Houston to Seattle flights

Get data-powered insights and trends into flights from Houston to Seattle to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Houston to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Houston to Seattle departing in March.

What is the cheapest Houston to Seattle flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Houston to Seattle costs $227 on the route between Houston George Bush Intcntl Airport (IAH) and Seattle (SEA). Over the past month, this route was, on average, 27% cheaper than other Houston-Seattle routes. It is also the most popular route.

What’s the cheapest day of the week to fly from Houston to Seattle?

The average price of all round-trip flights from Houston to Seattle clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Seattle on a Wednesday and more expensive on a Tuesday. On your return trip to Houston, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

What is the cheapest month to fly from Houston to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Houston to Seattle is October, where tickets cost $280 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $413 and $409 respectively.

How far in advance should I book a flight from Houston to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Houston to Seattle, you should book around 4 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Expert advice

Expert advice for your flight from Houston to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Good to know

Cheapest flight$119
Flight from Houston George Bush Airport to Seattle

When to book flights from Houston to Seattle

Are your dates flexible? Find out the best times to travel from Houston to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Houston to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Houston to Seattle 
Verified travelerFlew with Alaska Airlines
IAH
-
SEA
Sep 2024
Tru and get a direct flight through United or Alaska so you have no transfers!!!
HaleyFlew with Alaska Airlines
IAH
-
SEA
Sep 2024
Check in early so you don’t have to sit in the last row.

FAQs for booking flights from Houston to Seattle

  • What is the cheapest flight from Houston to Seattle?

    In the last 3 days, the lowest price for a flight from Houston to Seattle was $119 for a one-way ticket and $229 for a round-trip.

  • Do I need a passport to fly between Houston and Seattle?

    Yes, you’ll need a passport to travel to Seattle from Houston.

  • Which airports will I be using when flying from Houston to Seattle?

    Houston is served by 2 major airports and there is only 1 main airport in Seattle. You will leave Houston from one of these airports: Houston Hobby or Houston George Bush Intcntl. You will be arriving at Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Houston to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Houston to Seattle?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Houston and Seattle, with SkyTeam being the most commonly used for this route.

  • What is the most popular layover when flying to Seattle from Houston?

    Denver is the most popular layover city among KAYAK users traveling from Houston to Seattle.

  • How does KAYAK find such low prices on flights from Houston to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Houston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Houston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Houston to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Houston to Seattle/Tacoma Intl.
Find which airlines fly direct from Houston to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Houston to Seattle/Tacoma Intl

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Houston

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights

Reviews of the top 5 airlines serving from Houston to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Houston to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Houston to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11834 reviews
7.8Comfort
7.0Entertainment
7.1Food
8.5Crew
8.1Boarding
Airline reviews

Wheelchair assistant was on the spot, and very helpful. Gate agent was kind, and made sure I boarded the plane without having to try to hurry with my painful hip. My seat was so comfortable, 20A. I am tall, 5'9 and I need to stretch out my legs due to chronic nerve pain in my back that runs down my right leg, in addition to the bursitis in my right hip. Alaska air has the best economy seating in the market. So much room for legs, elbows, etc. When I arrived in SEA, the next Wheelchair was waiting to take me to the next gate. Great communication.

10.0 ExcellentMonica, Feb 2026
EUG - SEA
Read more Alaska Airlines reviews

Wheelchair assistant was on the spot, and very helpful. Gate agent was kind, and made sure I boarded the plane without having to try to hurry with my painful hip. My seat was so comfortable, 20A. I am tall, 5'9 and I need to stretch out my legs due to chronic nerve pain in my back that runs down my right leg, in addition to the bursitis in my right hip. Alaska air has the best economy seating in the market. So much room for legs, elbows, etc. When I arrived in SEA, the next Wheelchair was waiting to take me to the next gate. Great communication.

I had to cancel my trip due to health reasons three days after making the reservation. I was stunned to find out that the ticket was not able to be credited for future travel. $734 loss. Not happy that this was not my experience with Southwest Airlines. I will stick with SW in the future. Boo Alaskan Air and Kayak.

The staff was extremely helpful and accommodating. The only thing I could have done without was the long layover in between flights but I was going to a less popular destination so it was understandable.

All went well, right on time, easy boarding. We ordered the evergreens grain bowl and were surprised and pleased how adequate it was for vegan lunch! Landing was smooth and gate exit was easy

My seat and tray were filthy. Someone’s used straw was in the seat pocket and there were coffee stains and food crumbs on the tray table

On time, good boarding process very quick. Clean planes. Planes are tight, not much leg room ( i am only 5'8"). Some attendants are moving through aisles fiercely and pushing passengers. Got yelled for a tiny man bag that it is an extra personal tem ( size of a wallet) Wi-Fi on the plane does not work well with android phones.

I didn’t go, and can’t use a no refundable ticket.

good food and service and the seats were much better than anything comparable provided by US airlines. The entire experience was light years better than flying with a US company.

On time departure and early arrival giving more than ample time for connecting flight.

Flights were on time, easy boarding, comfort, flight was smooth.... Best travel experience I have ever had

Horrible food and crew. Crew were laughing and talking loud while people were trying to sleep

Yall need to integrate your system with Alaska more efficiently. They booted me off the first flight because of a discrepancy on your end.

The crew at Hawaiian Airlines was fantastic. Kind and hard working. The pilots were great with giving us all the updates to make sure we were informed.

Very good. Nice plane and we sat in economy plus - bigger seats, more room. They served a meal and snacks, and the meal was an apple stuffed pancake that was very good! The snack for us was a hummus sandwich - also very good. The flight attendants were helpful and nice. They have plenty of movies and shows to watch. My only negative -- they changed our flights around and did not adjust the layovers, so we ended up with a very long and unnecessary layover in Honolulu.

I liked the Starlink WiFi but didn't like how they said they were the only airline to offer a free meal and it turns out to be just a standalone sandwich and then charge for snacks to go with it. Rather have the free snacks like Southwest, but have the option to purchase a decent meal for a 5+ hour flight.

Flight scheduled to take off at 5.55pm but it did not take off until 7pm due to some food delivery delay.

Unfortunately, I was put into the middle seat in the first row of premium seating. Sounds nice right? No! that is the worst seat in the plane. I wish I was in economy rather than be in that seat! There is no seat back pocket, no tray table, no charger. Nothing! so unless you're row mates are willing to let you share their basic amenities any flyer should have, you are stuck. It was the worst experience ever! And the flight attendant forgot to take my drink order. I felt like the forgotten flyer.

Delayed and cancelled flights were hard and very stressful, both ways!

The crew was quite good, they came by often with drinks or to collect trash. But what wasn't nice was the flight was over weigh and several people had to be rebooked. I was questioned whether I should have a seat when I was getting to it. The in-flight entertainment kept buffering and interrupting. And the route took the airplane through high winds which caused us a longer flight

Wasn’t on the flight due to Alaska cancellation…also after all the rerouting, I was going to be on a later flight that left SFO at 7:47pm, which meant an almost 6 hour layover. That same Hawaiian flight was delayed for another 2hours.

I like flying first class, and United has a nice one

Unbelievably poor service from flight attendants. They didn’t even do water service on a four hour flight. Just disrespectful.

Seats had less pitch than a regional jet. Food was OK. Have to buy alcohol on US based carriers flying international. Boarding was a mess. Did not have bags but overhead space was gone quick. Would like to see the airlines enforce the one bag over and one bag under policy

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Crew was excellent. This was a relatively long flight though and had very little leg room, and no entertainment.

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight was delayed and missed my connection Lufthansa didn’t respond.

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

United could have one single once of customer service. No human United employee would help me with the invalid mileage plus number, they said I had to speak with the computer.

Update to handle the delay was very bad, crews no smiles or welcome or thanks. Don’t care attitude

No gates avail at DFW so our incoming had to wait 30 mins for a plane to push back because they Had mechanical. We boarded 90 mins delayed and then we had a mechanical. Come on American…do better. Also at my seat the tray table had not been cleaned. Floor had not been cleaned. But captain and flight Att were very picture and apologetic.

Flight was canceled. I asked to be rerouted to OKC and then took an Uber.

AA did not allow to board a flight because my connecting flight from DFW had been canceled. I got on another flight to another city. No service on the plane and I did not use their entertainment system.

I booked an aisle seat and was given a middle. At 6'4" 230lbs, it is not ideal to fly in the middle row for myself and passengers.

Concern Regarding Significant Gate Delay and Jet Bridge Issue Dear Customer Relations Team, I am writing to express my disappointment with the experience I had on my recent flight AA 2414 on Sunday January 18, 2026. What should have been a routine departure turned into a frustrating and avoidable delay due to an issue with the jet bridge at the gate. As a result, the flight was delayed by approximately 90 minutes while multiple gate changes were attempted. The lack of clear communication during this period made the situation even more challenging. Passengers were left uncertain about the cause of the delay, the expected timeline, and the next steps. This not only disrupted travel plans but also created unnecessary stress for everyone on board. I understand that operational issues can arise, but a malfunctioning jet bridge and the resulting extended delay suggest an area where procedures or equipment maintenance may need attention. I hope you will review this incident to prevent similar disruptions in the future. I would appreciate acknowledgment of this concern and consideration of appropriate compensation for the inconvenience and lost time caused by this delay. Thank you for taking the time to review my experience. I look forward to hearing from you. Sincerely, Dion Dillard

They made me pay $40 to check a bag that was listed as free when I bought my ticket. Then before boarding they offered to check any bags free.

The seat cushions were very worn so they were extremely uncomfortable.

Delayed, no updates, had a rewards number but was not working

AA should improve their in air internet & entertainment options. Seems unreasonable to charge $20/hr and should have some form of free connections. The entertainment options are also pretty limited, movies are outdated and the series only show 3-5 episodes.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

Good for a budget airline! It was easy to get on, staff was really nice. Can’t say anything about the food or entertainment because it wasn’t available, which is fine.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

It didn’t happen. I booked it and then was told it wasn’t available and then forced to pay far higher prices for a worse option

A 630departure flight Delayed 6hours! They changed my gate, I moved to the new gate. Had our flight on the screen for 12noon departure. I go get above to eat, check screen again and the flight was gone, no notice no announcement, nothing!! They sent my bag on the flight I wasn’t on, got it back to me 3days later. Thank goodness they did refund my money but I will NEVER fly them again.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

Plane and crew on board were fine. Everything else was terrible.

The third party booking with cheapflightsfares was awful. Kayak should NOT partner with them. They sold me a bundle including seat selection and carry-on, but did not book the carry-ons with Frontier, so I’m out of pocket for $414 more while I await resolution.

Everything you need to know for your flight from Houston to Seattle

Information on your arrival and departure airports